Home / 343,786.14-474,417.45-190,815.36

Finding the Fourth Proportional to 343,786.14, 474,417.45 and 190,815.36

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Solution

The fourth proportional to 343,786.14, 474,417.45 and 190,815.36 is: 263,321.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,786.14 : 474,417.45 = 190,815.36 : x
  2. Step 2: Convert to fraction form
    343,786.14/474,417.45 = 190,815.36/x
  3. Step 3: Cross multiply
    343,786.14x = 474,417.45 × 190,815.36
  4. Step 4: Simplify right side
    343,786.14x = 90,526,136,512.03
  5. Step 5: Solve for x
    x = 90,526,136,512.03/343,786.14
  6. Step 6: Final answer
    x = 263,321.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.